💖【Superior Support & Comfort】Crafted from 100% pure memory foam, this double mattress topper provides ultimate support and comfort working with your body’s unique shape and size. The thick double mattress topper moulds perfectly around your body and takes stress off of achy joints and muscles as you sleep, helping to eliminate motion transfer and relieve pressure points. 💖【Upgraded Coolness】This firm mattress topper is engineered with advanced heat insulation technology that helps stabilize your body temperature at night. It features innovative open cell memory foam that allows for higher airflow and heat absorption to help stabilize your body temperature, so you can sleep undisturbed and cool throughout the night. 💖【Breathable & Washable Cover】This mattress topper double arrives with a removable and washable cover made from super soft bamboo viscose. It offers a silky smooth touch and better moisture absorption. Coupled with a unique weaving method, the cooling mattress topper helps regulate body temperature and maintain air circulation, thereby preventing you from overheating and sweating. 💖【Safe & Durable】This double bed mattress topper is certified by CertiPUR-EU and OEKO-TEX for durability, performance and content. Contain no formaldehyde, mercury, lead or heavy metals to avoid harm to human body. Certified pure memory foam, makes this best mattress topper long-lasting without deformation. 💖【Instructions & Service】RECCI always protects you from defects in materials or manufacturing, please reach out to us for any questions. Please remove the cover before first use, leave the inner foam flatly in a well-ventilated area for 24~72 hours until fully expanded.